lunedì 6 giugno 2016

NYT Science: Was There an Ice Age in the Southern Hemisphere?

Was There an Ice Age in the Southern Hemisphere?
By C. CLAIBORNE RAY

Glacial periods affect all parts of the Earth, but there are big differences between hemispheres, because the north has more land.

Published: June 7, 2016 at 06:00AM

via NYT Science http://ift.tt/1Pes8Xr